Home / 254,891.88-382,313.07-77,400.42

Finding the Fourth Proportional to 254,891.88, 382,313.07 and 77,400.42

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Solution

The fourth proportional to 254,891.88, 382,313.07 and 77,400.42 is: 116,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,891.88 : 382,313.07 = 77,400.42 : x
  2. Step 2: Convert to fraction form
    254,891.88/382,313.07 = 77,400.42/x
  3. Step 3: Cross multiply
    254,891.88x = 382,313.07 × 77,400.42
  4. Step 4: Simplify right side
    254,891.88x = 29,591,192,189.49
  5. Step 5: Solve for x
    x = 29,591,192,189.49/254,891.88
  6. Step 6: Final answer
    x = 116,093.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.